diff options
| author | Sakari Ailus <sakari.ailus@linux.intel.com> | 2020-09-24 00:38:07 +0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab+huawei@kernel.org> | 2021-01-12 17:27:38 +0100 |
| commit | ee25e211ade18a655953115d642e4c04b17748ed (patch) | |
| tree | dbc6419947bea7183015d066d9a2e207b90c9408 /drivers/media/i2c | |
| parent | media: v4l: uapi: ccs: Add controls for analogue gain constants (diff) | |
| download | linux-ee25e211ade18a655953115d642e4c04b17748ed.tar.xz linux-ee25e211ade18a655953115d642e4c04b17748ed.zip | |
media: ccs: Add support for analogue gain coefficient controls
Add four controls for reading CCS analogue gain coefficients. The
values are constants that are device specific.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Diffstat (limited to 'drivers/media/i2c')
| -rw-r--r-- | drivers/media/i2c/ccs/ccs-core.c | 38 |
1 files changed, 36 insertions, 2 deletions
diff --git a/drivers/media/i2c/ccs/ccs-core.c b/drivers/media/i2c/ccs/ccs-core.c index 47879f9bfe20..c51197318c3a 100644 --- a/drivers/media/i2c/ccs/ccs-core.c +++ b/drivers/media/i2c/ccs/ccs-core.c @@ -28,6 +28,7 @@ #include <linux/v4l2-mediabus.h> #include <media/v4l2-fwnode.h> #include <media/v4l2-device.h> +#include <uapi/linux/ccs.h> #include "ccs.h" @@ -771,14 +772,46 @@ static int ccs_init_controls(struct ccs_sensor *sensor) struct i2c_client *client = v4l2_get_subdevdata(&sensor->src->sd); int rval; - rval = v4l2_ctrl_handler_init(&sensor->pixel_array->ctrl_handler, 13); + rval = v4l2_ctrl_handler_init(&sensor->pixel_array->ctrl_handler, 17); if (rval) return rval; sensor->pixel_array->ctrl_handler.lock = &sensor->mutex; switch (CCS_LIM(sensor, ANALOG_GAIN_CAPABILITY)) { - case CCS_ANALOG_GAIN_CAPABILITY_GLOBAL: + case CCS_ANALOG_GAIN_CAPABILITY_GLOBAL: { + struct { + const char *name; + u32 id; + s32 value; + } const gain_ctrls[] = { + { "Analogue Gain m0", V4L2_CID_CCS_ANALOGUE_GAIN_M0, + CCS_LIM(sensor, ANALOG_GAIN_M0), }, + { "Analogue Gain c0", V4L2_CID_CCS_ANALOGUE_GAIN_C0, + CCS_LIM(sensor, ANALOG_GAIN_C0), }, + { "Analogue Gain m1", V4L2_CID_CCS_ANALOGUE_GAIN_M1, + CCS_LIM(sensor, ANALOG_GAIN_M1), }, + { "Analogue Gain c1", V4L2_CID_CCS_ANALOGUE_GAIN_C1, + CCS_LIM(sensor, ANALOG_GAIN_C1), }, + }; + struct v4l2_ctrl_config ctrl_cfg = { + .type = V4L2_CTRL_TYPE_INTEGER, + .ops = &ccs_ctrl_ops, + .flags = V4L2_CTRL_FLAG_READ_ONLY, + .step = 1, + }; + unsigned int i; + + for (i = 0; i < ARRAY_SIZE(gain_ctrls); i++) { + ctrl_cfg.name = gain_ctrls[i].name; + ctrl_cfg.id = gain_ctrls[i].id; + ctrl_cfg.min = ctrl_cfg.max = ctrl_cfg.def = + gain_ctrls[i].value; + + v4l2_ctrl_new_custom(&sensor->pixel_array->ctrl_handler, + &ctrl_cfg, NULL); + } + v4l2_ctrl_new_std(&sensor->pixel_array->ctrl_handler, &ccs_ctrl_ops, V4L2_CID_ANALOGUE_GAIN, CCS_LIM(sensor, ANALOG_GAIN_CODE_MIN), @@ -787,6 +820,7 @@ static int ccs_init_controls(struct ccs_sensor *sensor) 1U), CCS_LIM(sensor, ANALOG_GAIN_CODE_MIN)); } + } if (CCS_LIM(sensor, DIGITAL_GAIN_CAPABILITY) == CCS_DIGITAL_GAIN_CAPABILITY_GLOBAL || |